/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 16:09:23,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 16:09:23,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 16:09:23,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 16:09:23,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 16:09:23,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 16:09:23,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 16:09:23,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 16:09:23,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 16:09:23,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 16:09:23,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 16:09:23,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 16:09:23,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 16:09:23,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 16:09:23,539 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 16:09:23,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 16:09:23,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 16:09:23,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 16:09:23,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 16:09:23,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 16:09:23,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 16:09:23,544 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 16:09:23,545 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 16:09:23,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 16:09:23,545 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 16:09:23,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 16:09:23,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 16:09:23,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 16:09:23,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 16:09:23,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 16:09:23,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 16:09:23,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 16:09:23,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 16:09:23,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 16:09:23,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 16:09:23,547 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 16:09:23,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 16:09:23,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 16:09:23,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 16:09:23,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 16:09:23,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 16:09:23,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 16:09:23,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 16:09:23,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 16:09:23,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 16:09:23,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 16:09:23,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 16:09:23,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2024-11-05 16:09:25,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 16:09:25,421 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 16:09:25,422 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2024-11-05 16:09:25,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25746abc3/9a1a1ce162a94953920bac3c7425f34f/FLAGba23bfacc [2024-11-05 16:09:25,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25746abc3/9a1a1ce162a94953920bac3c7425f34f [2024-11-05 16:09:25,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 16:09:25,791 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 16:09:25,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 16:09:25,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 16:09:25,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 16:09:25,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:09:25" (1/1) ... [2024-11-05 16:09:25,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688487a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:25, skipping insertion in model container [2024-11-05 16:09:25,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:09:25" (1/1) ... [2024-11-05 16:09:25,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 16:09:26,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2024-11-05 16:09:26,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 16:09:26,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 16:09:26,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2024-11-05 16:09:26,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 16:09:26,217 INFO L204 MainTranslator]: Completed translation [2024-11-05 16:09:26,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26 WrapperNode [2024-11-05 16:09:26,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 16:09:26,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 16:09:26,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 16:09:26,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 16:09:26,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,270 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 450 [2024-11-05 16:09:26,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 16:09:26,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 16:09:26,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 16:09:26,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 16:09:26,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,312 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-05 16:09:26,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 16:09:26,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 16:09:26,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 16:09:26,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 16:09:26,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (1/1) ... [2024-11-05 16:09:26,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 16:09:26,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 16:09:26,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 16:09:26,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 16:09:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 16:09:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 16:09:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 16:09:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 16:09:26,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 16:09:26,518 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 16:09:26,908 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-05 16:09:26,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 16:09:26,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 16:09:26,922 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 16:09:26,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:09:26 BoogieIcfgContainer [2024-11-05 16:09:26,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 16:09:26,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 16:09:26,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 16:09:26,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 16:09:26,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:09:25" (1/3) ... [2024-11-05 16:09:26,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e21a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:09:26, skipping insertion in model container [2024-11-05 16:09:26,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:09:26" (2/3) ... [2024-11-05 16:09:26,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e21a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:09:26, skipping insertion in model container [2024-11-05 16:09:26,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:09:26" (3/3) ... [2024-11-05 16:09:26,932 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2024-11-05 16:09:26,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 16:09:26,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 16:09:27,009 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 16:09:27,016 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79370332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 16:09:27,017 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 16:09:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:09:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 16:09:27,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 16:09:27,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 16:09:27,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 16:09:27,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 16:09:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 16:09:27,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 16:09:27,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558782043] [2024-11-05 16:09:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 16:09:27,043 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 16:09:27,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 16:09:27,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 16:09:27,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 16:09:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 16:09:27,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-05 16:09:27,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 16:09:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 16:09:27,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 16:09:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 16:09:27,681 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 16:09:27,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558782043] [2024-11-05 16:09:27,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1558782043] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 16:09:27,682 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 16:09:27,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 16:09:27,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498708459] [2024-11-05 16:09:27,685 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 16:09:27,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 16:09:27,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 16:09:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 16:09:27,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 16:09:27,711 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:09:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 16:09:27,810 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2024-11-05 16:09:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 16:09:27,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-05 16:09:27,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 16:09:27,818 INFO L225 Difference]: With dead ends: 21 [2024-11-05 16:09:27,818 INFO L226 Difference]: Without dead ends: 13 [2024-11-05 16:09:27,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-05 16:09:27,825 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 16:09:27,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 16:09:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-05 16:09:27,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-05 16:09:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:09:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-05 16:09:27,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2024-11-05 16:09:27,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 16:09:27,854 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-05 16:09:27,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:09:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-05 16:09:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-05 16:09:27,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 16:09:27,856 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-05 16:09:27,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 16:09:28,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 16:09:28,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 16:09:28,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 16:09:28,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 1 times [2024-11-05 16:09:28,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 16:09:28,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564848728] [2024-11-05 16:09:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 16:09:28,058 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 16:09:28,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 16:09:28,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 16:09:28,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 16:09:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 16:09:28,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-05 16:09:28,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 16:09:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 16:09:29,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 16:10:06,705 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_7~0#1|)))))) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse72 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_15~0#1|))) (or (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse1)))))))))))))))) (let ((.cse43 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_71~0#1|)) (.cse59 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse72)))))))) (let ((.cse3 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_46~0#1|)) (.cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_69~0#1|))))))))) (.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse59)))) (.cse44 ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_73~0#1|) .cse43)))) (.cse50 (= ((_ extract 7 0) (bvand .cse0 .cse1)) (_ bv0 8)))) (let ((.cse26 (not .cse50)) (.cse27 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_8~0#1|)) (.cse40 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_59~0#1|)) (.cse30 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_20~0#1|)) (.cse2 (bvugt .cse44 |c_ULTIMATE.start_main_~var_81~0#1|)) (.cse16 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse71 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse71 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|))))))))))))))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse71 .cse62))))) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse71))))))))))) (.cse17 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse70 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse70 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|))))))))))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse70))))))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse70 .cse62))))) (_ bv0 8))))))) (.cse6 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse69 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse69 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|)))))))))))))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse69 .cse62))))) (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse69)))))))))) (.cse8 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse68 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse68 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|)))))))))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse68))))))))))) (.cse9 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse67 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse67 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|))))))))))))))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse67 .cse62))))) (_ bv0 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse67)))))))))) (.cse18 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|)))))))))))))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse66 .cse62))))) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse66)))))))))) (.cse5 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|))))))))))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse65))))))))))) (.cse15 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|))))))))))))))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse64 .cse62))))) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse64)))))))))) (.cse13 (not .cse3)) (.cse12 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|)))))))))))))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse63 .cse62))))) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse63))))))))))) (.cse10 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_127~0#1| (_ BitVec 8))) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_127~0#1|)))))))))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse61 .cse60))))))) (not (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse60 .cse62))))) (_ bv0 8)))))))) (let ((.cse48 (= |c_ULTIMATE.start_main_~state_63~0#1| (_ bv0 8))) (.cse46 (and (or (and .cse16 .cse17) .cse13) .cse6 (or .cse8 .cse3) .cse9 .cse18 (or .cse3 .cse5) .cse15 (or .cse13 (and .cse12 .cse10)))) (.cse47 (not .cse2)) (.cse41 (= .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse59)))))))))))))) (.cse39 (and .cse50 .cse40)) (.cse35 (or .cse50 .cse27)) (.cse19 (or .cse26 .cse27)) (.cse23 (not .cse27)) (.cse25 (not .cse40)) (.cse45 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_16~0#1|))))) (and (or (and (or .cse2 (let ((.cse28 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_63~0#1|))))) .cse0)))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse45))))))))))) (and (or (let ((.cse24 (not .cse28))) (let ((.cse21 (or .cse26 .cse25 .cse27)) (.cse20 (or .cse23 .cse24)) (.cse22 (or .cse23 .cse24 .cse25))) (let ((.cse7 (and .cse19 .cse22)) (.cse11 (and .cse21 .cse20)) (.cse4 (and .cse21 .cse22)) (.cse14 (and .cse19 .cse20))) (and (or .cse3 .cse4 .cse5) (or .cse6 .cse7) (or .cse8 .cse3 .cse4) (or .cse9 .cse7) (or (and (or .cse4 .cse10) (or .cse11 .cse12)) .cse13) (or .cse14 .cse15) (or (and (or .cse11 .cse16) (or .cse4 .cse17)) .cse13) (or .cse14 .cse18))))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse29)))))) .cse30)) (or (let ((.cse36 (or (and .cse28 .cse40) .cse23)) (.cse37 (or .cse39 .cse27)) (.cse38 (or .cse28 .cse23))) (let ((.cse34 (and .cse35 .cse38)) (.cse33 (and .cse37 .cse38)) (.cse32 (and .cse37 .cse36)) (.cse31 (and .cse35 .cse36))) (and (or .cse6 .cse31) (or .cse32 .cse8 .cse3) (or (and (or .cse32 .cse17) (or .cse33 .cse16)) .cse13) (or .cse34 .cse15) (or .cse34 .cse18) (or .cse32 .cse3 .cse5) (or (and (or .cse33 .cse12) (or .cse32 .cse10)) .cse13) (or .cse9 .cse31)))) (let ((.cse42 (bvugt ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse43 ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) (bvadd |c_ULTIMATE.start_main_~var_12~0#1| .cse44)))))))))))) |c_ULTIMATE.start_main_~var_81~0#1|))) (and (or .cse41 (not .cse42)) (or .cse42 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse29)))))))))) .cse30)))))))) (or .cse41 .cse46 .cse47)) .cse48) (or (not .cse48) (let ((.cse49 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse45))))))) (and (or .cse2 .cse46 (= .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse49))))))) .cse0))))) (or .cse47 (and (or .cse41 (let ((.cse52 (and .cse35 (or .cse23 .cse40))) (.cse51 (and .cse35 .cse40))) (and (or .cse50 .cse18 .cse27) (or .cse50 .cse15 .cse27) (or (and (or .cse51 .cse17) (or .cse39 .cse16 .cse27)) .cse13) (or .cse51 .cse8 .cse3) (or .cse51 .cse3 .cse5) (or .cse52 .cse6) (or .cse52 .cse9) (or (and (or .cse51 .cse10) (or .cse39 .cse12 .cse27)) .cse13)))) (or (let ((.cse57 (or .cse26 .cse25)) (.cse58 (or .cse23 .cse25))) (let ((.cse53 (and .cse19 .cse58)) (.cse55 (and .cse26 .cse23)) (.cse54 (and .cse57 .cse58)) (.cse56 (and .cse57 .cse23))) (and (or .cse6 .cse53) (or .cse54 .cse8 .cse3) (or .cse9 .cse53) (or .cse18 .cse55) (or (and (or .cse16 .cse56) (or .cse54 .cse17)) .cse13) (or .cse54 .cse3 .cse5) (or .cse15 .cse55) (or (and (or .cse54 .cse10) (or .cse56 .cse12)) .cse13)))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse49)))))) .cse30)))))))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) .cse72)))))))) is different from false [2024-11-05 16:10:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-05 16:10:19,476 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 16:10:19,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564848728] [2024-11-05 16:10:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [564848728] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 16:10:19,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 16:10:19,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 16:10:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690916390] [2024-11-05 16:10:19,477 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 16:10:19,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 16:10:19,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 16:10:19,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 16:10:19,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2024-11-05 16:10:19,480 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:10:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 16:10:20,787 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2024-11-05 16:10:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-05 16:10:20,788 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-05 16:10:20,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 16:10:20,788 INFO L225 Difference]: With dead ends: 24 [2024-11-05 16:10:20,788 INFO L226 Difference]: Without dead ends: 22 [2024-11-05 16:10:20,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=92, Invalid=151, Unknown=1, NotChecked=28, Total=272 [2024-11-05 16:10:20,790 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 16:10:20,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 18 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 15 Unchecked, 0.2s Time] [2024-11-05 16:10:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-05 16:10:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-11-05 16:10:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:10:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-05 16:10:20,799 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 11 [2024-11-05 16:10:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 16:10:20,799 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-05 16:10:20,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 16:10:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-05 16:10:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 16:10:20,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 16:10:20,802 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2024-11-05 16:10:20,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 16:10:21,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 16:10:21,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 16:10:21,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 16:10:21,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1003628899, now seen corresponding path program 2 times [2024-11-05 16:10:21,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 16:10:21,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844148986] [2024-11-05 16:10:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 16:10:21,007 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 16:10:21,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 16:10:21,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 16:10:21,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 16:10:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 16:10:21,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-05 16:10:21,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 16:10:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 16:10:28,462 INFO L311 TraceCheckSpWp]: Computing backward predicates...